Sourcefire

Sourcefire, Inc., founded in 2001 by Martin Roesch, specialized in network security hardware and software. The company developed the Firepower network security appliances, leveraging Snort, an open-source intrusion detection system. Sourcefire targeted the network security market, focusing on intrusion detection, intrusion prevention, and anti-malware solutions.

Sourcefire achieved significant success, with a revenue of $223.1 million in FY12 and employing 560 people by 3Q12. In July 2013, Cisco Systems acquired Sourcefire for $2.7 billion, integrating its advanced security technologies into Cisco's portfolio. Key figures included CEO John Becker and founder Martin Roesch, who served as CTO.